gistfile1.txt

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;


interface TPersonage extends Runnable {
    public void step();
    public void decrement();
}

abstract class Personage extends JButton implements TPersonage {
    int x, y, dx, dy;
    public Personage(int x, int y) {
        super();
        this.x = x;
        this.y = y;
        x = 250;
        y = 250;
        //this.c = c;
        setSize(25, 25);
        setLocation(x, y);
        //setBackground(c);
        new Thread(this).start();
    }

    public void step() {
        x += dx;
        y += dy;
        setLocation(x, y);
    }

    public abstract void decrement();

    public void run() {
        while (true) {
            try {
                Thread.sleep(100);
            }
            catch (Exception e) {
            }
            decrement();
            step();
        }
    }
}




class Main {
    public static void main(String args[]){
        new MyFrame ("Simple PacMan");
    }
}
class MyFrame extends JFrame implements WindowListener {
    MainCharacter mc;
    public MyFrame (String title){
        super (title);
        setSize(1250, 720);
        getContentPane().setLocation(0,0);
        setLocation(0, 0);
        setBackground(new Color(255, 218, 185));
        setResizable(false);
        getContentPane().setLayout(null);
        getContentPane().add(mc = new MainCharacter(575,250));
        addWindowListener(this);
        setVisible(true);
        mc.setFocusable(true);
    }
    public void windowClosing(WindowEvent we){
        System.exit(0);
    }
    public void windowClosed(WindowEvent we){}
    public void windowOpened(WindowEvent we){}
    public void windowActivated(WindowEvent we){}
    public void windowDeactivated(WindowEvent we){}
    public void windowIconified(WindowEvent we){}
    public void windowDeiconified(WindowEvent we){}
}

class MainCh extends Personage implements KeyListener {
 int code; 
 public MainCh(int x, int y) {
  super(x, y);
  
  addKeyListener(this);
  setFocusable(true);
 }
 
 public void keyReleased(KeyEvent e) {
    int val = e.getKeyCode();
  
    if (val >= 37 && val <= 40) {
     code = val;
    }
  
    System.out.println(val);
   }
 
 public void keyPressed(KeyEvent e) {
 }
   
 public void keyTyped(KeyEvent e) {
 }
 
 public void decrement() {
  switch (code) {
   case 37: 
    dx = -40;
    dy = 0;
    break;
   case 38: 
    dx = 0;
    dy = -40;
    break;
   case 39:
    dx = 40;
    dy = 0;
    break;
   case 40:
    dy = 40;
    dx = 0;
    break;
  }
  
  
  y += dy;
 }
 
 public int getX() {
  return x;
 }
 
 public int getY() {
  return y;
 }
}